Effect of scandium on structure and properties of corrosion-resistant steels

Svistunova, T. V.; Bobkova, O. S.; Belyasov, B. D.

doi:10.1007/s11041-008-9057-9

Cited by 9 publications

(4 citation statements)

References 3 publications

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Section: Addition Of Sc To Steelmentioning

confidence: 99%

“…The addition of scandium to various steel types has been investigated to predict possible improvement of steels mechanical features after Sc-doping. [176][177][178] Scandium has been added up to 5 wt-% leading to decreased viscosity and surface tension of liquid steel. In general, Sc addition improves the homogeneity of liquid and solid steel, as well as the mechanical properties of final doped steels.…”

Section: Fatigue Propertiesmentioning

confidence: 99%

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The scandium effect in multicomponent alloys

Riva

Yusenko

Lavery

et al. 2016

International Materials Reviews

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Despite its excellent elemental properties, lightweight nature and good alloying potential, scandium has received relatively little attention in the manufacturing community. The abundance of scandium in the Earth's crust is quite high. It is more abundant than silver, cobalt, lead and tin. But, because scandium is so well dispersed in the lithosphere, it is notoriously difficult to extract in commercial quantities-hence low market availability and high cost. Scandium metallurgy is still a largely unexplored field-but progress is being made. This review aims to summarise advances in scandium metallurgical research over the last decade. The use of scandium as a conventional minor addition to alloys, largely in structural applications, is described. Also, more futuristic functional applications are discussed where details of crystal structures and peculiar symmetries are often of major importance. This review also includes data obtained from more obscure sources (especially Russian publications) which are much less accessible to the wider community. It is clear that more fundamental research is required to elevate the status of scandium from a laboratorybased curiosity to a mainstream alloying element. This is largely uncharted territory. There is much to be discovered.

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Section: Addition Of Sc To Steelmentioning

confidence: 99%

Section: Fatigue Propertiesmentioning

confidence: 99%

The scandium effect in multicomponent alloys

Riva

Yusenko

Lavery

et al. 2016

International Materials Reviews

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“…[1][2][3] This is due to many beneficial properties, including high thermal stability, improved strength, and resistance to corrosion and radiation associated with scandium. 4 Scandium is the lightest member of the rare earth family, positioned as the first transition metal in the periodic table. The unique position of Sc in the periodic table and therefore its electronic configuration explain several unusual properties observed for this metal.…”

Section: Introductionmentioning

confidence: 99%

Sc(iii)-Based metal–organic frameworks

et al. 2022

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“…It was first used in Al and Al alloys in 1971 [35,36]. Subsequently, it has been found that Sc-doped nickel and steels exhibit better resistance to radiation swelling and embrittlement [37]. There are several patents for Fe and Ni based alloys containing Sc [38][39][40].…”

Section: Introductionmentioning

confidence: 99%

Influence of scandium addition on the high-temperature grain size stabilization of oxide-dispersion-strengthened (ODS) ferritic alloy

Saber

et al. 2015

Materials Science and Engineering: A

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The influence of 1 to 4 at.% Sc addition on the thermal stability of mechanically alloyed ODS ferritic alloy was studied in this work. Sc addition was found to significantly stabilize grain size and microhardness at high temperatures. Grain sizes of samples with 1 and 4 at.% Sc was found maintained in the nanoscale range at temperatures up to 1000 °C with hardness maintained at 5.6 and 6.7 GPa, respectively. The detailed microstructure was also investigated from EDS elemental mapping, where nanofeatures [ScTiO] were observed, while nanosized [YTiO] particles were rarely seen. This is probably due to the concentration difference between Sc and Y, leading to the formation of [ScTiO] favoring that of [YTiO]. Precipitation was considered as the major source for the observed high temperature stabilization. In addition, 14YT-Sc alloys without large second phases such as Ti-oxide can exhibit better performance compared to conventional ODS materials.

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Effect of scandium on structure and properties of corrosion-resistant steels

Cited by 9 publications

References 3 publications

The scandium effect in multicomponent alloys

The scandium effect in multicomponent alloys

Sc(iii)-Based metal–organic frameworks

Influence of scandium addition on the high-temperature grain size stabilization of oxide-dispersion-strengthened (ODS) ferritic alloy

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